drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
   3  */
   4
   5 #ifndef _DPU_FORMATS_H
   6 #define _DPU_FORMATS_H
   7
   8 #include <drm/drm_fourcc.h>
   9 #include "msm_gem.h"
  10 #include "dpu_hw_mdss.h"
  11
  12 /**
  13  * dpu_get_dpu_format_ext() - Returns dpu format structure pointer.
  14  * @format:          DRM FourCC Code
  15  * @modifiers:       format modifier array from client, one per plane
  16  */
  17 const struct dpu_format *dpu_get_dpu_format_ext(
  18                 const uint32_t format,
  19                 const uint64_t modifier);
  20
  21 #define dpu_get_dpu_format(f) dpu_get_dpu_format_ext(f, 0)
  22
  23 /**
  24  * dpu_get_msm_format - get an dpu_format by its msm_format base
  25  *                     callback function registers with the msm_kms layer
  26  * @kms:             kms driver
  27  * @format:          DRM FourCC Code
  28  * @modifiers:       data layout modifier
  29  */
  30 const struct msm_format *dpu_get_msm_format(
  31                 struct msm_kms *kms,
  32                 const uint32_t format,
  33                 const uint64_t modifiers);
  34
  35 /**
  36  * dpu_format_check_modified_format - validate format and buffers for
  37  *                   dpu non-standard, i.e. modified format
  38  * @kms:             kms driver
  39  * @msm_fmt:         pointer to the msm_fmt base pointer of an dpu_format
  40  * @cmd:             fb_cmd2 structure user request
  41  * @bos:             gem buffer object list
  42  *
  43  * Return: error code on failure, 0 on success
  44  */
  45 int dpu_format_check_modified_format(
  46                 const struct msm_kms *kms,
  47                 const struct msm_format *msm_fmt,
  48                 const struct drm_mode_fb_cmd2 *cmd,
  49                 struct drm_gem_object **bos);
  50
  51 /**
  52  * dpu_format_populate_layout - populate the given format layout based on
  53  *                     mmu, fb, and format found in the fb
  54  * @aspace:            address space pointer
  55  * @fb:                framebuffer pointer
  56  * @fmtl:              format layout structure to populate
  57  *
  58  * Return: error code on failure, -EAGAIN if success but the addresses
  59  *         are the same as before or 0 if new addresses were populated
  60  */
  61 int dpu_format_populate_layout(
  62                 struct msm_gem_address_space *aspace,
  63                 struct drm_framebuffer *fb,
  64                 struct dpu_hw_fmt_layout *fmtl);
  65
  66 #endif /*_DPU_FORMATS_H */